{"id":28592,"date":"2019-02-03T19:05:00","date_gmt":"2019-02-03T12:05:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28592"},"modified":"2021-10-03T19:06:04","modified_gmt":"2021-10-03T12:06:04","slug":"mot-so-nguyen-to-hoa-hoc-co-nguy-co-bien-mat","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mot-so-nguyen-to-hoa-hoc-co-nguy-co-bien-mat\/","title":{"rendered":"M\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc c\u00f3 nguy c\u01a1 bi\u1ebfn m\u1ea5t"},"content":{"rendered":"\n

Hi\u1ec7p h\u1ed9i H\u00f3a h\u1ecdc ch\u00e2u \u00c2u (EuChemS) v\u1eeba c\u00f4ng b\u1ed1 m\u1ed9t b\u1ea3ng tu\u1ea7n ho\u00e0n h\u00f3a h\u1ecdc m\u1edbi nh\u1eb1m n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 s\u1ef1 khan hi\u1ebfm c\u1ee7a m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 tr\u00ean Tr\u00e1i \u0111\u1ea5t.\"B\u1ea3ngB\u1ea3ng tu\u1ea7n ho\u00e0n m\u1edbi cho th\u1ea5y m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 \u0111ang c\u00f3 nguy c\u01a1 bi\u1ebfn m\u1ea5t. \u1ea2nh: EuChemS
Trong m\u1ed9t s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c v\u00e0o th\u00e1ng 1\/2019, EuChemS \u0111\u00e3 tr\u00ecnh b\u00e0y b\u1ea3ng tu\u1ea7n ho\u00e0n m\u1edbi nh\u1eb1m m\u00f4 t\u1ea3 c\u00e1c nguy\u00ean t\u1ed1 \u0111ang d\u1ea7n bi\u1ebfn m\u1ea5t do nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau. N\u1ed7 l\u1ef1c n\u00e0y l\u00e0 m\u1ed9t trong s\u1ed1 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng nh\u00e2n k\u1ef7 ni\u1ec7m 150 n\u0103m b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00e1c nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc ra \u0111\u1eddi.
Hi\u1ec7n nay, b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00f3 118 nguy\u00ean t\u1ed1 \u0111\u00e3 bi\u1ebft, bao g\u1ed3m 90 nguy\u00ean t\u1ed1 xu\u1ea5t hi\u1ec7n trong t\u1ef1 nhi\u00ean. Ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0 c\u00e1c nguy\u00ean t\u1ed1 si\u00eau n\u1eb7ng \u0111\u01b0\u1ee3c t\u1ea1o ra trong ph\u00f2ng th\u00ed nghi\u1ec7m.
Tuy nhi\u00ean, khi nhi\u1ec1u ngu\u1ed3n t\u00e0i nguy\u00ean thi\u00ean nhi\u00ean tr\u00ean h\u00e0nh tinh \u0111ang c\u1ea1n ki\u1ec7t, EuChemS mu\u1ed1n l\u00e0m n\u1ed5i b\u1eadt v\u1ea5n \u0111\u1ec1 n\u00e0y c\u0169ng nh\u01b0 k\u00eau g\u1ecdi c\u00e1c qu\u1ed1c gia th\u1ef1c hi\u1ec7n ch\u00ednh s\u00e1ch ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng.
C\u00e1c nguy\u00ean t\u1ed1 trong b\u1ea3ng tu\u1ea7n ho\u00e0n m\u1edbi \u0111\u01b0\u1ee3c v\u1ebd b\u1eb1ng c\u00e1c m\u00e0u s\u1eafc kh\u00e1c nhau: m\u00e0u \u0111\u1ecf th\u1ec3 hi\u1ec7n nguy\u00ean t\u1ed1 c\u00f3 nguy c\u01a1 bi\u1ebfn m\u1ea5t m\u00e3i m\u00e3i, m\u00e0u cam cho th\u1ea5y m\u1ed1i \u0111e d\u1ecda gia t\u0103ng t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng t\u0103ng l\u00ean, m\u00e0u v\u00e0ng ngh\u0129a l\u00e0 ngu\u1ed3n cung c\u1ea5p c\u00f3 gi\u1edbi h\u1ea1n, m\u00e0u xanh l\u00e1 c\u00e2y ngh\u0129a l\u00e0 nguy\u00ean t\u1ed1 v\u1eabn c\u00f2n kh\u00e1 d\u1ed3i d\u00e0o.
“\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc, ch\u00fang ta c\u00f3 ch\u01b0a \u0111\u1ebfn 100 n\u0103m tr\u01b0\u1edbc khi vi\u1ec7c gi\u1eef ch\u00fang t\u1ed3n t\u1ea1i kh\u00f3 kh\u0103n h\u01a1n nhi\u1ec1u”, David Cole-Hamilton, ph\u00f3 ch\u1ee7 t\u1ecbch EuChemS, nh\u1eadn \u0111\u1ecbnh.
Helium (He), b\u1ea1c (Ag), tellurium (Te), gallium (Ga), germanium (Ge), strontium (Sr), yttri (Y), k\u1ebdm (Zn), indium (In), asen (As), hafnium (Hf), tantalum (Ta) l\u00e0 nh\u1eefng nguy\u00ean t\u1ed1 c\u00f3 nguy c\u01a1 bi\u1ebfn m\u1ea5t trong 100 n\u0103m t\u1edbi ho\u1eb7c \u00edt h\u01a1n.
\u0110\u1eb7c bi\u1ec7t, nguy\u00ean t\u1ed1 He \u0111ang bi\u1ebfn m\u1ea5t nhanh ch\u00f3ng. He \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u00e1y qu\u00e9t c\u1ed9ng h\u01b0\u1edfng t\u1eeb (MRI), thi\u1ebft b\u1ecb l\u1eb7n bi\u1ec3n s\u00e2u, kh\u00ed c\u1ea7u, b\u00f3ng bay. Theo Cole-Hamilton, He r\u1ea5t nh\u1eb9 v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc. N\u00f3 c\u00f3 th\u1ec3 tr\u00f4i n\u1ed5i \u0111\u1ebfn r\u00eca kh\u00ed quy\u1ec3n Tr\u00e1i \u0111\u1ea5t v\u00e0 bi\u1ebfn m\u1ea5t v\u00e0o kh\u00f4ng gian v\u0169 tr\u1ee5 m\u00e3i m\u00e3i.
“Tr\u1eef l\u01b0\u1ee3ng Heli t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y r\u1ea5t th\u1ea5p, c\u00f3 l\u1ebd ch\u1ec9 \u0111\u1ee7 d\u00f9ng trong v\u00f2ng 10 n\u0103m”, Cole-Hamilton cho bi\u1ebft.
C\u00f3 t\u1ea5t c\u1ea3 31 nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh. N\u0103m nguy\u00ean t\u1ed1 trong s\u1ed1 \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1eafn th\u1ebb “d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng” v\u00e0 c\u00f3 th\u1ec3 bi\u1ebfn m\u1ea5t sau 100 n\u0103m.
EuChemS hy v\u1ecdng b\u1ea3ng tu\u1ea7n ho\u00e0n m\u1edbi s\u1ebd gi\u00fap m\u1ecdi ng\u01b0\u1eddi nh\u1eadn ra tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ec3 c\u00f3 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng t\u00e1i ch\u1ebf t\u1ed1t h\u01a1n. Ch\u1ec9 ri\u00eang t\u1ea1i Li\u00ean minh ch\u00e2u \u00c2u, EuChemS \u01b0\u1edbc t\u00ednh kho\u1ea3ng 10 tri\u1ec7u \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh b\u1ecb lo\u1ea1i b\u1ecf m\u1ed7i n\u0103m. V\u00ec v\u1eady, 31 nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 khan hi\u1ebfm ng\u00e0y c\u00e0ng t\u0103ng do ngu\u1ed3n cung h\u1ea1n ch\u1ebf, \u0111\u1eb7c bi\u1ec7t khi ngu\u1ed3n cung \u0111\u1ebfn t\u1eeb c\u00e1c khu v\u1ef1c c\u00f3 xung \u0111\u1ed9t.
Ngu\u1ed3n:<\/strong>
https:\/\/www.techtimes.com\/articles\/237939\/20190125\/european-chemical-society-releases-periodic-table-showing-diminishing-availability-of-elements-on-earth.htm<\/a>Qu\u1ed1c H\u00f9ng (Theo Tech Times)<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7p h\u1ed9i H\u00f3a h\u1ecdc ch\u00e2u \u00c2u (EuChemS) v\u1eeba c\u00f4ng b\u1ed1 m\u1ed9t b\u1ea3ng tu\u1ea7n ho\u00e0n h\u00f3a h\u1ecdc m\u1edbi nh\u1eb1m n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 s\u1ef1 khan hi\u1ebfm c\u1ee7a m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 tr\u00ean Tr\u00e1i \u0111\u1ea5t.B\u1ea3ng tu\u1ea7n ho\u00e0n m\u1edbi cho th\u1ea5y m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 \u0111ang c\u00f3 nguy c\u01a1 bi\u1ebfn m\u1ea5t. \u1ea2nh: EuChemSTrong m\u1ed9t s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c […]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28592","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28592","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28592"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28592\/revisions"}],"predecessor-version":[{"id":28594,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28592\/revisions\/28594"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}